Product Details
Feeder products for glass making Industry
Ceramic feeder critical products are used in the process of glass
making at the production of glass containers
Ceramic feeder critical products are used in bath-type furnaces in
the process of glass making at the production of glass containers.
Special strict requirements are applied to materials of feeder
elements.
Related Data
Main component | 99%Al2O3 | S-SiC | ZrO2 | Si3N4 |
|
Physical Property | Density | g/cm3 | 3.9 | 3.1 | 6 | 3.2 |
Water Absorption | % | 0 | 0.1 | 0 | 0.1 |
Sinter Temperature | °C | 1700 | 2200 | 1500 | 1800 |
Mechanical Property | Rockwell Hardness | HV | 1700 | 2200 | 1300 | 1400 |
Bend Strength | kgf/mm2 | 3500 | 4000 | 9000 | 7000 |
Compression Intensity | Kgf/mm2 | 30000 | 20000 | 20000 | 23000 |
Thermal Property | Maximum working temperature | °C | 1500 | 1600 | 1300 | 1400 |
thermal expansion coefficient 0-1000°C | /°C | 8.0*10-6 | 4.1*10-6(0-500°C) | 9.5*10-6 | 2.0*10-6(0-500°C) |
5.2*10-6(500-1000°C) | 4.0*10-6(500-1000°C) |
Thermal Shock resistance | T(°C) | 200 | 250 | 300 | 400-500 |
Thermal Conductivity | W/m.k(25°C | 31 | 100 | 3 | 25 |
300°C) | 16 | 100 | 3 | 25 |
Electrical Property | Resisting rate of Volume | ◎.cm | | | | |
20°C | >1012 | 106-108 | >1010 | >1011 |
100°C | 1012-1013 | – | – | >1011 |
300°C | >1012 | – | – | >1011 |
Insulation Breakdown Intensity | KV/mm | 18 | semiconductor | 9 | 17.7 |
Dielectric Constant (1 MHz) | (E) | 10 | – | 29 | 7 |
Dielectric Dissipation | (tg o) | 0.4*10-3 | – | – | – |
Ceramic materials for feeder elements have the following
properties:
- high glass resistance and corrosion resistance;
- resistance to long-term dynamic effects of molten glass;
- high purity of material;
- resistance to thermal shock (heat resistance);
- refractoriness;
- low wettability by glass melts;
- low thermal expansion coefficient.
Serially manufactured feeder products:
- glasses;
- bushings;
- plungers;
- bowls
as well as other elements of glass furnaces:
- gates;
- burners;
- furnace lining elements.
The main material performance:
- quartz ceramics (SiO2);
- aluminum oxide (Al2O3);
- zirconium dioxide (ZrO2);
- various ceramic compositions.
Company Profile
Henan ZG Industrial Products Co. Ltd. was founded by specialists of
leading industrial institutes in Zhengzhou city, China in 2007.
Our company manufactures, complex develops, supplies, introduces
and upgrades products from technical ceramics, heating elements and
graphite. We provide services for the manufacture, repair and
renovation of special high-temperature equipment as well. In
addition, our company provides services for R&D, analytical
research within our specialization.
We have established contacts with the world’s leading and domestic
manufacturers of ceramic and heating elements, leading industry
institutes and track all the latest trends in this field.
The introduction of ceramic and heating elements in production
requires a special study of each case, taking into account
technological and market nuances. The specialists of our company
have all the necessary experience for the most complete solution of
the customer’s problem and developing an optimal offer.
Among our customers are chemical, petrochemical, oil refining, oil
and gas, mining, mining and concentrating, paper, metallurgy,
power, electrical, electronic, glass and other industries.
We will be glad to answer all your questions.